America Abroad: Why the Sole Superpower Should Not Pull Back from the WorldA decade and a half of exhausting wars, punishing economic setbacks, and fast rising rivals has called into question America's fundamental position and purpose in world politics. Will the US continue to be the only superpower in the international system? Should it continue advancing the world shaping grand strategy it has followed since the Cold War? Or should it focus on internal problems? America Abroad takes stock of these debates and provides a